Year | SR children | General population | P value derived from Mann-Whitney test | ||
---|---|---|---|---|---|
n | Mean (standard deviation) age at childbirth | n | Mean (standard deviation) age at childbirth | ||
2000 | 134 | 27.69 (3.33)a | 1181803 | 26.29 (4.12)c | 1.63e-07 |
2010 | 64 | 29.78 (3.71)b | 1157270 | 27.68 (5.98)d | 5.93e-06 |